Interested in how much energy efficient windows could be saving you?

This chart includes window savings estimates from ENERGY STAR based on energy calculations performed by D&R International using RESFEN 6 for typical homes in 93 U.S. cities.

Graphic and information courtesy of D&R International.

Energy STAR City Savings Estimates
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If you are interested in more information on ENERGY STAR’s methodology for these window cost savings, please visit this methodology page.